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ASN Lookup Tool
AS55898 YAHOO-CORP

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS55898
Organisation
Yahoo Japan Corporation
Name
YAHOO-CORP
Total IPv4 Addresses
2,560
Total IPv4 Prefixes
5
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#20,401 out of 77,684
Registry
Jpnic
Registered Country
JP flag JP
Registered Country Name
Japan
Registered Date
Registration Last Change
Receiving From

The list of active Autonomous Systems (ASs) which send traffic to that ASN.

ASN
Organisation
AS7679
ZZ flagKyushu Telecommunication Network Co.,Inc./QTNet
AS23816
JP flagYahoo Japan
AS9607
ZZ flagBroadBand Tower
IPv4 Active Prefixes

This provides the list of IPv4 address space routes/prefixes currently announced on Border Gateway Protocol (BGP).

Prefix103.2.244.0/22
Range From103.2.244.0
Range To103.2.247.255
Prefix203.141.54.0/24
Range From203.141.54.0
Range To203.141.54.255
Prefix211.14.8.0/24
Range From211.14.8.0
Range To211.14.8.255
Prefix211.14.26.0/23
Range From211.14.26.0
Range To211.14.27.255
Prefix211.14.28.0/23
Range From211.14.28.0
Range To211.14.29.255
IPv6 Active Prefixes
Prefix2405:8500::/32
Range From2405:8500::
Range To2405:8500:ffff:ffff:ffff:ffff:ffff:ffff
Autonomous System (AS) is a network (or collection of networks) that are all managed and supervised by a single entity or organisation. This tool provides a comprehensive ownership and connectivity report for any given AS number.